A basic setup involves a wooden pole, a copper spiral winding upward, and a grounding spike or buried wire
https://andersonvngw461.tearosediner.net/electroculture-and-fermented-plant-extracts-natural-plant-tonics
A basic setup involves a wooden pole, a copper spiral winding upward, and a grounding spike or buried wire, positioned near crops to capture atmospheric ions and gently influence local electrostatic conditions.